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    Uncertainty functions, a compact way of summarising or specifying the behaviour of analytical systems

    Thompson, Michael (2011) Uncertainty functions, a compact way of summarising or specifying the behaviour of analytical systems. Trends in Analytical Chemistry 30 (7), pp. 1168-1175. ISSN 0165-9936.

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    Abstract

    Analytical chemists can advantageously use an uncertainty function to describe the performance of an analytical system in terms of the standard uncertainty or standard deviation as a function of the concentration of the analyte. This “characteristic function” is useful for estimating uncertainty at a new concentration. A similar function can be used to prescribe the uncertainty that is regarded as fit for purpose for a particular application. This “fitness function” is useful in setting standards of accuracy in proficiency tests and similar exercises without revealing the concentration of the analyte. In combination, these two functions provide a rational basis for method selection.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): Analytical system, characteristic function, concentration, fitness for purpose, fitness function, method selection, precision, uncertainty, uncertainty function, variation with concentration of analyte
    School: Birkbeck Schools and Departments > School of Science > Biological Sciences
    Depositing User: Administrator
    Date Deposited: 18 May 2011 10:53
    Last Modified: 17 Apr 2013 12:20
    URI: http://eprints.bbk.ac.uk/id/eprint/3284

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